A course of practical geometry for mechanics1856 |
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... Parallel lines , planes ; parallelograms 13 , 53 13 , 69 , 70 9 , 25 9 , 10 , 20 , 54 , 71 6 , 11 Perimeter , periphery , term or boundary Perpendicular , plumb .. Planes , horizontal , inclined , vertical , parallel Problem , diagram ...
... Parallel lines , planes ; parallelograms 13 , 53 13 , 69 , 70 9 , 25 9 , 10 , 20 , 54 , 71 6 , 11 Perimeter , periphery , term or boundary Perpendicular , plumb .. Planes , horizontal , inclined , vertical , parallel Problem , diagram ...
Página 4
... parallel to the base of the paper . In many good drawings , the horizon is not drawn parallel to the base , because positions are given to objects which would require more paper than could be spared to assign to the horizon its true ...
... parallel to the base of the paper . In many good drawings , the horizon is not drawn parallel to the base , because positions are given to objects which would require more paper than could be spared to assign to the horizon its true ...
Página 9
... Parallel straight lines are such as are in the same plane , and which being produced ever so far both ways , do not meet . 9 ク 56 * . A Parallelogram is a four - sided figure , of which the opposite sides are parallel ; and the ...
... Parallel straight lines are such as are in the same plane , and which being produced ever so far both ways , do not meet . 9 ク 56 * . A Parallelogram is a four - sided figure , of which the opposite sides are parallel ; and the ...
Página 10
... parallel . 60. A Trapezoid is a quadrilateral which has only one pair of its opposite sides parallel . 61. A Diagonal is a right line drawn from one vertex to another of a rectilineal figure : such figure may , by diagonals , be divided ...
... parallel . 60. A Trapezoid is a quadrilateral which has only one pair of its opposite sides parallel . 61. A Diagonal is a right line drawn from one vertex to another of a rectilineal figure : such figure may , by diagonals , be divided ...
Página 11
... parallel , they are eccentric circles . 78. Equal plane figures are those whose areas are equal , whether of the same form or not so . 79. Similar figures are such as have all the angles of the one respectively equal to all the angles ...
... parallel , they are eccentric circles . 78. Equal plane figures are those whose areas are equal , whether of the same form or not so . 79. Similar figures are such as have all the angles of the one respectively equal to all the angles ...
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Términos y frases comunes
13 inches A B C A C B Aldersgate Street altitude angle equal arc or angle Arithmetical mean Bisect Book centre circumference contain an angle cutting A B describe a circle describe a regular describe an arc diagonal scale distance Divide a line Draw a line Draw chords Draw the line ellipse equilateral triangle Euclid Euclid's Elements EXAMPLES French FRENCH LANGUAGE Geometry given angle given circle given line given parallelogram given point given square given straight line given triangle Harmonical mean heptagon inch side inches long inches radius inches respectively inscribe isosceles triangle Join Let A B line 2 inches line A B number of degrees number of equal parallel parallel ruler perpendicular plain scale plane Prob PROBLEM produced Prop protractor pupil radii rectangle rectilineal figure regular pentagon regular polygon Relfe rhombus right angles right line right-angled triangle scale of chords segment square equal triangle required vertex vertical angle
Pasajes populares
Página 8 - When a straight line standing on another straight line makes the adjacent angles equal to one another, each of the angles is called a right angle ; and the straight line which stands on the other is called a perpendicular to it.
Página 8 - A circle is a plane figure contained by one line, which is called the circumference, and is such that all straight lines drawn from a certain point within the figure to the circumference, are equal to one another.
Página 7 - A plane rectilineal angle is the inclination of two straight lines to one another, which meet together, but are not in the same straight line.
Página 68 - In any right-angled triangle, the square which is described upon the side subtending the right angle, is equal to the squares described upon the sides which contain the right angle.
Página 14 - An angle in a segment is the angle contained by two straight lines drawn from any point in the circumference of the segment to the extremities of the straight . line which is the base of the segment.
Página 9 - A diameter of a circle is a straight line drawn through the centre, and terminated both ways by the circumference.
Página 11 - Parallel straight lines are such as are in the same plane, and which being produced ever so far both ways, do not meet.
Página 7 - ... straight lines, and the other upon the other line : Thus the angle which is contained by the straight lines, AB, CB, is named the angle ABC, or CBA ; that which is contained by AB...